SECSTORE-Acrobat-Secstore-File-Adobe-Systems-Incorporated
SECURITY-Javasoft-JRE-1-3-Library-Security-File
SECURITY-Javasoft-Jre-1-3-lib-security-file
SE-Dll-Directx-Migrate-file
SED-Screen-editor-script-files-SED
SEED-Linux-Preseed-File
SEED-Microsoft-Live-Mesh-file
SEEK-Word-List-Expert-Seek-List-Mechanicwords
SEE-LISCAD-Plus-File
SEEM-RAZR-Phone-Control-File-Motorola-Inc
SEE-Unknown-Apple-II-File
SEF-Encryptafile-Digital-Signature-File-XenoSystems-LLC
SEF-Encryptafile-Signature-File
SEF-Steganos-Encrypted-File
SEG1-Stuffit-file
SEG2-Mac-File-Type
SEG3-Mac-File-Type
SEG-Compressed-File-Segment
SEG-Eragon-Audio-File
SEGN-Mac-File-Type
SEG-SEG-2-data-Header
SEG-SEG-2-Data-Society-of-Exploration-Geophysicists
SEL-Data-file-Copy-Books
SEM-Alpha-Five-Set-Object-File-Alpha-Software-Inc
SEMA-Secured-eMail-Archive-Container-for-Encrypted-Data-Secured-eMail-AB
SE_-Midiprg-Cakepro-compressed-file
SEMI-Spartan-Semi-Empirical-chemical-modeller-input-file
SEML-Sealed-E-mail-SealedMedia
SEM-Sealed-E-mail-SealedMedia
SEM-ZX-Spectrum-Emulator-snapshot-file
SEN-Scifer-Archive-Format-Internal-Header-Mode
SEN-Scifer-Archiver-Internal-Archive-Format
SEN-Scifer-Internal-Header-Archive
SEN-Sendbit-application-script
SEN-SenTest-Test-Results-Neyer-Software
SEO-PC-Link-file
SEO-ScopeEdit-Object-File
SEO-SEO-Note-File
SEP-Printer-seperator-page-Generic
SEPROJECT-Spatial-Workshop-Geospatial-Project-Configuration-Spatial-Eye
SEP-Tagged-Image-File-Format-TIFF-bitmap
SEQ-Animation-file-Atari
SEQ-Sequential-instruction-file-Bubble-Chamber
SEQU-Acrobat-Sequence-File-Adobe-Systems-Incorporated
SEQUENCEDIAGRAM-Microsoft-Visual-Studio-sequence-diagram-file
SEQUENCE-Ricochet-Infinity-DirectX-Graphic-Sequence-Reflexive-Entertainment-Inc
SER-GeneMapper-Project-File
SER-Java-serialized-object-file
SERVER-Analog-file
SERVICE-Mac-OS-X-service-application-file
TechTarget file types